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HRS DF40 Series, Manual

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HRS DF40 Series Manual Download Page 11

                                                             

 

TITLE

:     

DF40 Series Guideline

 

ETAD-H1015-00 

 

 

 

 

HIROSE ELECTRIC CO.,LTD.

 

 

PRODUCT

:

 

BOARD TO BOARD/FPC CONNECTOR, 

Pitch: 0.4mm, Width: 3.38mm,   

Stacking height: 1.5-4.0mm

 

PAGE:

 

11   

OF

   

18 

 

Copyright© 2007 Hirose Electric Co., Ltd. All rights reserved. 

 

2.3 Reflow profile 

 

1)

  Temperature measuring point

 

The temperature indicates the PWB surface temperature at the connector lead area. 

 
2)

  Reflow cycles

 

Up to 2 cycles of reflow soldering are acceptable under the recommended reflow profile of DF40 

Series. 

 
3)

  Reflow heating method and condition

 

Far-infrared  heater  and  hot  convective  blowers  used  in  combination,  normal  atmosphere,  or 

nitrogen atmosphere.   

Please contact us for oxygen density in nitrogen atmosphere reflow. 

 

4)

 

For the printing of soldering paste, screen printing method is recommended. 

Oct.1.2021 Copyright 2021 HIROSE ELECTRIC CO., LTD. All Rights Reserved.

Summary of Contents for DF40 Series

Page 1: ...OF 18 Copyright 2007 Hirose Electric Co Ltd All rights reserved DF40 Series Guideline ETAD H1015 00 Approver WR FUKUCHI 20210331 Checker TS MIYAZAKI 20210330 Designer PAN YIWEI 20210330 REVISIONS DIS...

Page 2: ...Selection of connector mounting machine and notice for mounting 6 1 2 PWB requirements 7 1 2 1 Recommended PWB pattern 7 1 2 2 PWB pad layout and connector location 8 1 2 3 PWB designing 8 1 2 4 FPC...

Page 3: ...s applied to contacts during un mating process when this product is mounted onto low rigidity or thin FPC Under the circumstances mount plug connector of which retention force is higher than the other...

Page 4: ...td All rights reserved 1 1 3 FPC fixing For FPC alignment by guide posts do not disturb FPC flexibility Design without flexibility of FPC could apply direct stress to the connector by drop impact etc...

Page 5: ...ctors on one board receptacle and plug the following mounting accuracy is required As mentioned above very tight tolerances are required It is impossible to satisfy this tolerance in consideration of...

Page 6: ...FPC side to the PWB side 1 1 7 Precautions for PWB to PWB connection In order to connect PWB to PWB precision of necessary components and mounter or screw fitting is required and direct stress to the...

Page 7: ...se Electric Co Ltd All rights reserved 1 2 PWB requirements 1 2 1 Recommended PWB pattern Recommended PWB pad layout for receptacle ex 40 pos Patterning of different signals is unacceptable on the are...

Page 8: ...yout optimum retention force can be obtained between connector and PWB Solder wicking and flux penetration could occur by applying different PWB layout from the recommended Please contact us for the d...

Page 9: ...soldering paste amount 0 0135 mm3 Per 1 Pad Recommended metal mask dimensions for plug ex 40 pos Recommended soldering paste amount 0 0121 mm3 Per 1 Pad Recommended metal mask thickness and open rati...

Page 10: ...dgment of fillet forming quality check side fillet forming as an indication Fillet forming on receptacle Recommended condition is that fillet thickness is one third of contact thickness 0 13 mm or mor...

Page 11: ...temperature at the connector lead area 2 Reflow cycles Up to 2 cycles of reflow soldering are acceptable under the recommended reflow profile of DF40 Series 3 Reflow heating method and condition Far...

Page 12: ...act lead The raise of solder paste may affect on distance of PWBs or performance of spring contact of the receptacle Repairing condition Soldering iron 350 C 3 seconds MAX Notice Do not apply stress t...

Page 13: ...r is led into the mating pair by self alignment function 3 Once aligned the connector pair does not move back and forth and around as they are located in a parallel position Mate the connectors comple...

Page 14: ...o unmate the connector in vertical direction 2 When vertical removal is difficult lift up either side of longitudinal contact pitch direction Do not unmate the connector in connector width direction o...

Page 15: ...Co Ltd All rights reserved Failure caused by removing the connector in the width direction 3 Check the rigidity of the FPC for unmating operation prior to your production otherwise solder breakage an...

Page 16: ...Width 3 38mm Stacking height 1 5 4 0mm PAGE 16 OF 18 Copyright 2007 Hirose Electric Co Ltd All rights reserved 4 PWB and solder paste applied for evaluation test 4 1 PWB applied for evaluation test G...

Page 17: ...g height 1 5 4 0mm PAGE 17 OF 18 Copyright 2007 Hirose Electric Co Ltd All rights reserved Glass epoxy board for plug FPC for receptacle 4 2 Solder paste applied for evaluation test Lead free solder p...

Page 18: ...rred on the housing surface due to high heat during reflow In order to prevent this problem avoid storing connectors under humid condition For long term storage keep them at humidity manageable place...

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